TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

SIGNAL SHAPING [5 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2024-09-20

English

Subject field(s)
  • Data Transmission
  • Telecommunications Transmission
CONT

To minimize the impact of this copper wire passband shaping, a compromise equalizer, with more attenuation at the lower frequencies, than at the higher frequencies can be placed in series with the analog signal. The modem includes three such equalizers designed to compensate for cable distortion... Compromise equalization can improve performance when operating over low quality lines.

Key term(s)
  • compromise equalisation

French

Domaine(s)
  • Transmission de données
  • Transmission (Télécommunications)

Spanish

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Record 2 2011-09-26

English

Subject field(s)
  • Analytical Chemistry
  • Radiological Physics (Theory and Application)
CONT

Energy spectroscopy. For energy analysis the output current pulse from a PMT [photomultiplier tube] or from a semiconductor detector is often applied to a charge-sensitive preamplifier. The preamplifier produces a voltage pulse with a peak amplitude that is proportional to the total charge in the current pulse, which is proportional to the energy absorbed from the incident radiation. Amplifiers and filters are used to expand the range of the peak amplitude and to shape the signal from the preamplifier, a process that maximizes the signal-to-noise ratio for the system. For energy analysis the peak amplitude of the shaped pulse represents the information of interest. Discriminators and single-channel analyzers(SCA) can be used, following the signal shaping system, to determine the presence of certain energies of detected radiation. A discriminator produces an output logic pulse if it's input signal exceeds a preset threshold level. An SCA produces an output logic pulse if the peak amplitude of it's input signal falls within the energy window that is established with two preset threshold levels.

French

Domaine(s)
  • Chimie analytique
  • Physique radiologique et applications
CONT

[Dans un détecteur fonctionnant en impulsion] La mesure de la hauteur d’impulsion fournit […] l’information énergie puisque celle-ci est proportionnelle aux charges créées dans le détecteur. Ce mode de fonctionnement est utilisé en spectroscopie d’énergie.

Spanish

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Record 3 2011-04-14

English

Subject field(s)
  • Amplifiers (Electronics)
  • Radiological Physics (Theory and Application)
CONT

Signal processing for detectors with delay line … Signal from the preamplifiers are processed with delay line shaping amplifiers and zero crossing detectors.

Key term(s)
  • delay-line amplifier
  • delay-line shaping amplifier

French

Domaine(s)
  • Amplificateurs (Électronique)
  • Physique radiologique et applications
OBS

Mise en forme par ligne à retard. Dans ces amplificateurs, la mise en forme est assurée par un circuit inverseur et une ligne à retard qui repousse le signal d’entrée d’une durée sélectionnée. Le signal direct et le signal retardé sont ensuite additionnés pour donner un signal de forme rectangulaire dont la hauteur garde l’information énergie. Avec ces appareils, le rapport signal/bruit est médiocre car il n’y a pas de filtre de mise en forme. Cependant, pour des détecteurs de mauvaise résolution (scintillateurs, chambre d’ionisation), ils conviennent parfaitement, d’autant plus que l’on peut générer des signaux de faible durée donc compatibles avec les forts taux de comptage.

Spanish

Save record 3

Record 4 2006-02-14

English

Subject field(s)
  • Telecommunications Transmission
  • Telegraph Equipment
DEF

The action of modifying one or more characteristics of a signal, such as its maximum value, shape or timing.

OBS

signal transformation; signal shaping : terms standardized by CSA and ISO.

French

Domaine(s)
  • Transmission (Télécommunications)
  • Appareils de télégraphie
DEF

Opération consistant à modifier certaines caractéristiques d'un signal, telles que la valeur maximale, la forme ou l'échelonnement dans le temps.

OBS

mise en forme de signal : terme normalisé par la CSA et l'ISO.

Spanish

Campo(s) temático(s)
  • Transmisión (Telecomunicaciones)
  • Equipo de telegrafía
Save record 4

Record 5 - external organization data 2006-01-27

English

Subject field(s)
  • Compartment - ISO/IEC JTC 1 Information Technology Vocabulary
Universal entry(ies)
03.01.11 (2382)
ISO/IEC standard entry number
DEF

action of modifying one or more characteristics of a signal, such as its maximum value, shape or timing

OBS

signal transformation; signal shaping : terms and definition standardized by ISO/IEC [ISO 2382-3 : 1987].

French

Domaine(s)
  • Tiroir - ISO/CEI JTC 1 Vocabulaire des technologies de l'information
Entrée(s) universelle(s)
03.01.11 (2382)
ISO/IEC standard entry number
DEF

opération consistant à modifier certaines caractéristiques d'un signal, telles que la valeur maximale, la forme ou l'échelonnement dans le temps

OBS

mise en forme de signal : terme et définition normalisés par l'ISO/CEI [ISO 2382-3:1987].

Spanish

Save record 5

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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